feature: Feature Store dataset builder, delete_record, get_record, list_feature_group

src/sagemaker/feature_store/feature_group.py

@@ -435,13 +435,14 @@ class FeatureGroup:
         "uint64",
     ]
     _FLOAT_TYPES = ["float_", "float16", "float32", "float64"]
-    _DTYPE_TO_FEATURE_DEFINITION_CLS_MAP: Dict[str, FeatureTypeEnum] = {
+    DTYPE_TO_FEATURE_DEFINITION_CLS_MAP: Dict[str, FeatureTypeEnum] = {
         type: FeatureTypeEnum.INTEGRAL for type in _INTEGER_TYPES
     }
-    _DTYPE_TO_FEATURE_DEFINITION_CLS_MAP.update(
+    DTYPE_TO_FEATURE_DEFINITION_CLS_MAP.update(
         {type: FeatureTypeEnum.FRACTIONAL for type in _FLOAT_TYPES}
     )
-    _DTYPE_TO_FEATURE_DEFINITION_CLS_MAP["string"] = FeatureTypeEnum.STRING
+    DTYPE_TO_FEATURE_DEFINITION_CLS_MAP["string"] = FeatureTypeEnum.STRING
+    DTYPE_TO_FEATURE_DEFINITION_CLS_MAP["object"] = FeatureTypeEnum.STRING
 
     _FEATURE_TYPE_TO_DDL_DATA_TYPE_MAP = {
         FeatureTypeEnum.INTEGRAL.value: "INT",
@@ -629,7 +630,7 @@ def load_feature_definitions(
         """
         feature_definitions = []
         for column in data_frame:
-            feature_type = self._DTYPE_TO_FEATURE_DEFINITION_CLS_MAP.get(
+            feature_type = self.DTYPE_TO_FEATURE_DEFINITION_CLS_MAP.get(
                 str(data_frame[column].dtype), None
             )
             if feature_type:
@@ -644,6 +645,23 @@ def load_feature_definitions(
         self.feature_definitions = feature_definitions
         return self.feature_definitions
 
+    def get_record(
+        self, record_identifier_value_as_string: str, feature_names: Sequence[str] = None
+    ) -> Sequence[Dict[str, str]]:
+        """Get a single record in a FeatureGroup
+
+        Args:
+            record_identifier_value_as_string (String):
+                a String representing the value of the record identifier.
+            feature_names (Sequence[String]):
+                a list of Strings representing feature names.
+        """
+        return self.sagemaker_session.get_record(
+            record_identifier_value_as_string=record_identifier_value_as_string,
+            feature_group_name=self.name,
+            feature_names=feature_names,
+        ).get("Record")
+
     def put_record(self, record: Sequence[FeatureValue]):
         """Put a single record in the FeatureGroup.
 
@@ -654,6 +672,25 @@ def put_record(self, record: Sequence[FeatureValue]):
             feature_group_name=self.name, record=[value.to_dict() for value in record]
         )
 
+    def delete_record(
+        self,
+        record_identifier_value_as_string: str,
+        event_time: str,
+    ):
+        """Delete a single record from a FeatureGroup.
+
+        Args:
+            record_identifier_value_as_string (String):
+                a String representing the value of the record identifier.
+            event_time (String):
+                a timestamp format String indicating when the deletion event occurred.
+        """
+        return self.sagemaker_session.delete_record(
+            feature_group_name=self.name,
+            record_identifier_value_as_string=record_identifier_value_as_string,
+            event_time=event_time,
+        )
+
     def ingest(
         self,
         data_frame: DataFrame,

src/sagemaker/feature_store/feature_store.py

@@ -0,0 +1,130 @@
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"). You
+# may not use this file except in compliance with the License. A copy of
+# the License is located at
+#
+#     http://aws.amazon.com/apache2.0/
+#
+# or in the "license" file accompanying this file. This file is
+# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
+# ANY KIND, either express or implied. See the License for the specific
+# language governing permissions and limitations under the License.
+"""Feature Store.
+
+Amazon SageMaker Feature Store is a fully managed, purpose-built repository to store, share, and
+manage features for machine learning (ML) models.
+"""
+from __future__ import absolute_import
+
+import datetime
+from typing import Any, Dict, Sequence, Union
+
+import attr
+import pandas as pd
+
+from sagemaker import Session
+from sagemaker.feature_store.dataset_builder import DatasetBuilder
+from sagemaker.feature_store.feature_group import FeatureGroup
+
+
+@attr.s
+class FeatureStore:
+    """FeatureStore definition.
+
+    This class instantiates a FeatureStore object that comprises a SageMaker session instance.
+
+    Attributes:
+        sagemaker_session (Session): session instance to perform boto calls.
+    """
+
+    sagemaker_session: Session = attr.ib(default=Session)
+
+    def create_dataset(
+        self,
+        base: Union[FeatureGroup, pd.DataFrame],
+        output_path: str,
+        record_identifier_feature_name: str = None,
+        event_time_identifier_feature_name: str = None,
+        included_feature_names: Sequence[str] = None,
+        kms_key_id: str = None,
+    ) -> DatasetBuilder:
+        """Create a Dataset Builder for generating a Dataset.
+
+        Args:
+            base (Union[FeatureGroup, DataFrame]): A base which can be either a FeatureGroup or a
+                pandas.DataFrame and will be used to merge other FeatureGroups and generate a
+                Dataset.
+            output_path (str): An S3 URI which stores the output .csv file.
+            record_identifier_feature_name (str): A string representing the record identifier
+                feature if base is a DataFrame (default: None).
+            event_time_identifier_feature_name (str): A string representing the event time
+                identifier feature if base is a DataFrame (default: None).
+            included_feature_names (List[str]): A list of features to be included in the output
+                (default: None).
+            kms_key_id (str): An KMS key id. If set, will be used to encrypt the result file
+                (default: None).
+
+        Raises:
+            ValueError: Base is a Pandas DataFrame but no record identifier feature name nor event
+                time identifier feature name is provided.
+        """
+        if isinstance(base, pd.DataFrame):
+            if record_identifier_feature_name is None or event_time_identifier_feature_name is None:
+                raise ValueError(
+                    "You must provide a record identifier feature name and an event time "
+                    + "identifier feature name if specify DataFrame as base."
+                )
+        return DatasetBuilder(
+            self.sagemaker_session,
+            base,
+            output_path,
+            record_identifier_feature_name,
+            event_time_identifier_feature_name,
+            included_feature_names,
+            kms_key_id,
+        )
+
+    def list_feature_groups(
+        self,
+        name_contains: str = None,
+        feature_group_status_equals: str = None,
+        offline_store_status_equals: str = None,
+        creation_time_after: datetime.datetime = None,
+        creation_time_before: datetime.datetime = None,
+        sort_order: str = None,
+        sort_by: str = None,
+        max_results: int = None,
+        next_token: str = None,
+    ) -> Dict[str, Any]:
+        """List all FeatureGroups satisfying given filters.
+
+        Args:
+            name_contains (str): A string that partially matches one or more FeatureGroups' names.
+                Filters FeatureGroups by name.
+            feature_group_status_equals (str): A FeatureGroup status.
+                Filters FeatureGroups by FeatureGroup status.
+            offline_store_status_equals (str): An OfflineStore status.
+                Filters FeatureGroups by OfflineStore status.
+            creation_time_after (datetime.datetime): Use this parameter to search for FeatureGroups
+                created after a specific date and time.
+            creation_time_before (datetime.datetime): Use this parameter to search for FeatureGroups
+                created before a specific date and time.
+            sort_order (str): The order in which FeatureGroups are listed.
+            sort_by (str): The value on which the FeatureGroup list is sorted.
+            max_results (int): The maximum number of results returned by ListFeatureGroups.
+            next_token (str): A token to resume pagination of ListFeatureGroups results.
+        Returns:
+            Response dict from service.
+        """
+        return self.sagemaker_session.list_feature_groups(
+            name_contains=name_contains,
+            feature_group_status_equals=feature_group_status_equals,
+            offline_store_status_equals=offline_store_status_equals,
+            creation_time_after=creation_time_after,
+            creation_time_before=creation_time_before,
+            sort_order=sort_order,
+            sort_by=sort_by,
+            max_results=max_results,
+            next_token=next_token,
+        )

src/sagemaker/session.py

@@ -312,7 +312,7 @@ def download_data(self, path, bucket, key_prefix="", extra_args=None):
         # For each object key, create the directory on the local machine if needed, and then
         # download the file.
         for key in keys:
-            tail_s3_uri_path = os.path.basename(key_prefix)
+            tail_s3_uri_path = os.path.basename(key)
             if not os.path.splitext(key_prefix)[1]:
                 tail_s3_uri_path = os.path.relpath(key, key_prefix)
             destination_path = os.path.join(path, tail_s3_uri_path)
@@ -4341,6 +4341,56 @@ def update_feature_group(
             FeatureGroupName=feature_group_name, FeatureAdditions=feature_additions
         )
 
+    def list_feature_groups(
+        self,
+        name_contains,
+        feature_group_status_equals,
+        offline_store_status_equals,
+        creation_time_after,
+        creation_time_before,
+        sort_order,
+        sort_by,
+        max_results,
+        next_token,
+    ) -> Dict[str, Any]:
+        """List all FeatureGroups satisfying given filters.
+
+        Args:
+            name_contains (str): A string that partially matches one or more FeatureGroups' names.
+                Filters FeatureGroups by name.
+            feature_group_status_equals (str): A FeatureGroup status.
+                Filters FeatureGroups by FeatureGroup status.
+            offline_store_status_equals (str): An OfflineStore status.
+                Filters FeatureGroups by OfflineStore status.
+            creation_time_after (datetime.datetime): Use this parameter to search for FeatureGroups
+                created after a specific date and time.
+            creation_time_before (datetime.datetime): Use this parameter to search for FeatureGroups
+                created before a specific date and time.
+            sort_order (str): The order in which FeatureGroups are listed.
+            sort_by (str): The value on which the FeatureGroup list is sorted.
+            max_results (int): The maximum number of results returned by ListFeatureGroups.
+            next_token (str): A token to resume pagination of ListFeatureGroups results.
+        Returns:
+            Response dict from service.
+        """
+        list_feature_groups_args = {}
+
+        def check_object(key, value):
+            if value is not None:
+                list_feature_groups_args[key] = value
+
+        check_object("NameContains", name_contains)
+        check_object("FeatureGroupStatusEquals", feature_group_status_equals)
+        check_object("OfflineStoreStatusEquals", offline_store_status_equals)
+        check_object("CreationTimeAfter", creation_time_after)
+        check_object("CreationTimeBefore", creation_time_before)
+        check_object("SortOrder", sort_order)
+        check_object("SortBy", sort_by)
+        check_object("MaxResults", max_results)
+        check_object("NextToken", next_token)
+
+        return self.sagemaker_client.list_feature_groups(**list_feature_groups_args)
+
     def update_feature_metadata(
         self,
         feature_group_name: str,
@@ -4408,6 +4458,48 @@ def put_record(
             Record=record,
         )
 
+    def delete_record(
+        self,
+        feature_group_name: str,
+        record_identifier_value_as_string: str,
+        event_time: str,
+    ):
+        """Deletes a single record from the FeatureGroup.
+
+        Args:
+            feature_group_name (str): name of the FeatureGroup.
+            record_identifier_value_as_string (str): name of the record identifier.
+            event_time (str): a timestamp indicating when the deletion event occurred.
+        """
+        return self.sagemaker_featurestore_runtime_client.delete_record(
+            FeatureGroupName=feature_group_name,
+            RecordIdentifierValueAsString=record_identifier_value_as_string,
+            EventTime=event_time,
+        )
+
+    def get_record(
+        self,
+        record_identifier_value_as_string: str,
+        feature_group_name: str,
+        feature_names: Sequence[str],
+    ) -> Dict[str, Sequence[Dict[str, str]]]:
+        """Gets a single record in the FeatureGroup.
+
+        Args:
+            record_identifier_value_as_string (str): name of the record identifier.
+            feature_group_name (str): name of the FeatureGroup.
+            feature_names (Sequence[str]): list of feature names.
+        """
+        get_record_args = {
+            "FeatureGroupName": feature_group_name,
+            "RecordIdentifierValueAsString": record_identifier_value_as_string,
+        }
+
+        if feature_names:
+            get_record_args["FeatureNames"] = feature_names
+
+        return self.sagemaker_featurestore_runtime_client.get_record(**get_record_args)
+
     def start_query_execution(
         self,
         catalog: str,